Domain, IP & ASN lookup.

{
    "rdapConformance": [
        "nro_rdap_profile_0",
        "cidr0",
        "rdap_level_0"
    ],
    "notices": [
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "TWNIC"
            ]
        },
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
                "This information has been partially mirrored by APNIC from TWNIC. To obtain more specific information, please use the TWNIC whois server at whois.twnic.net."
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/203.68.0.0",
                    "rel": "terms-of-service",
                    "href": "http://www.apnic.net/db/dbcopyright.html",
                    "type": "text/html"
                }
            ]
        },
        {
            "title": "Whois Inaccuracy Reporting",
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/203.68.0.0",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "TW",
    "name": "T-NKHC.EDU.TW-NET",
    "status": [
        "active"
    ],
    "links": [
        {
            "value": "https://twnic.rdap.apnic.net/ip/203.68.0.0",
            "rel": "self",
            "href": "https://twnic.rdap.apnic.net/ip/203.68.0.0/24",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "NATIONAL KAOHSIUNG HOSPITALITY COLLEGE",
                "NO 1,SHAN-MING RD.,",
                "KAOHSIUNG Taiwan"
            ],
            "title": "description"
        },
        {
            "description": [
                "This information has been partially mirrored by APNIC from",
                "TWNIC. To obtain more specific information, please use the",
                "TWNIC whois server at whois.twnic.net."
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/203.68.0.0",
                    "rel": "self",
                    "href": "https://twnic.rdap.apnic.net/entity/CSW3-TW",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "This information has been partially mirrored by APNIC from",
                        "TWNIC. To obtain more specific information, please use the",
                        "TWNIC whois server at whois.twnic.net."
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "CSW3-TW",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "CHIN-SHENG WAN"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "NATIONAL KAOHSIUNG HOSPITALITY COLLEGE\nNO 1,SHAN-MING RD.,\nKAOHSIUNG Taiwan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+886-7-806-0505 ext 250"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+886-7-806-1473"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "tcsw@mailnkhc.edu.tw"
                    ]
                ]
            ]
        }
    ],
    "handle": "203.68.0.0 - 203.68.0.255",
    "type": "ASSIGNED NON-PORTABLE",
    "startAddress": "203.68.0.0",
    "endAddress": "203.68.0.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "203.68.0.0",
            "length": 24
        }
    ],
    "port43": "whois.apnic.net"
}